Sierra released Personal Agent Protocol 1.0, known as Poppy, on November 13, 2026, with automatic support for every Shopify store and enablement across Meta’s Muse agent. Sierra said 60 additional companies are joining as design partners, bringing the total to more than 100. Poppy defines how a personal agent acting for one user discovers a company and works through its APIs, website or company agent. The release follows five weeks of design partners testing drafts against real websites, APIs…
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Sierra Releases Poppy 1.0 With Shopify and Meta Muse Support